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    <meta name="description" content="新建文件建立新的预设若是要放在屏幕显示则分辨率常设置为72PPI；若要作为印刷品打印出来，则要设置为300PPI 颜色模式 RGB颜色 CMYK颜色 Lab颜色  RGB颜色–Red，Green，Blue CMYK颜色–青色cyan、品红色magenta、黄色yellow、黑色black  屏幕显示的画面是由红、绿、蓝这三种主动发光的光学三原色以不同比例组合而成，简称RGB 而印刷品不同，只能通过">
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            <h1 style="display: none">认识PS界面</h1>
            
            
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                <h3 id="新建文件"><a href="#新建文件" class="headerlink" title="新建文件"></a>新建文件</h3><h4 id="建立新的预设"><a href="#建立新的预设" class="headerlink" title="建立新的预设"></a>建立新的预设</h4><p>若是要放在屏幕显示则分辨率常设置为72PPI；若要作为印刷品打印出来，则要设置为300PPI</p>
<h4 id="颜色模式"><a href="#颜色模式" class="headerlink" title="颜色模式"></a>颜色模式</h4><ol>
<li>RGB颜色</li>
<li>CMYK颜色</li>
<li>Lab颜色</li>
</ol>
<p>RGB颜色–Red，Green，Blue</p>
<p>CMYK颜色–青色cyan、品红色magenta、黄色yellow、黑色black</p>
<ul>
<li>屏幕显示的画面是由红、绿、蓝这三种主动发光的光学三原色以不同比例组合而成，简称RGB</li>
<li>而印刷品不同，只能通过反射照上去的光线才能被看到，因此由青色、品红色、黄色这三种色彩三原色组成，而K去的是黑色black最后一个字母</li>
</ul>
<blockquote>
<p>理论上CMY叠加应该得到黑色，但由于当时油墨纯度不够高，三色混合出来时暗红色，因此人们专门加入了黑色以供印刷需要</p>
</blockquote>
<p><img src="https://gitee.com/tongstyle/blog-img/raw/master/img/202301201955180.png" srcset="/img/loading.gif" lazyload alt="1"></p>
<p><img src="https://gitee.com/tongstyle/blog-img/raw/master/img/202301201955703.png" srcset="/img/loading.gif" lazyload alt="2"></p>
<p>图像–模式 可以在这里更改颜色模式和位数</p>
<p><img src="https://gitee.com/tongstyle/blog-img/raw/master/img/202301201955470.png" srcset="/img/loading.gif" lazyload alt="3"></p>
<p>图像–图像大小 可以在这里更改图像的宽、高以及分辨率【多用于对图片大小有限制的地方】</p>
<p><img src="https://gitee.com/tongstyle/blog-img/raw/master/img/202301201955116.png" srcset="/img/loading.gif" lazyload alt="4"></p>
<p><img src="https://gitee.com/tongstyle/blog-img/raw/master/img/202301201955636.png" srcset="/img/loading.gif" lazyload alt="5"></p>
<ol>
<li>按住alt的同时滑动鼠标滚轮可以缩放图像</li>
<li>灰白交错的网格表示这些地方是背景，是透明的</li>
<li>psd是存储格式，点击文件–存储为–保存类型 里可以找到常用的图片格式，比如psd、jpg、png</li>
<li>点击保存后可以调节存储的图片的品质。在图片本身质量很高的时候，可选择牺牲一部分品质，来换取更小的体积</li>
<li>psd文件注意保存！！！psd是原创的证据</li>
</ol>
<blockquote>
<p>1、 psd是ps专用的可编辑格式，记录了创作文档是时的原始信息，保存了在ps里进行的绝大部分操作<br>2、 jpg压缩率极高的同时也能展现生动丰富的图像信息<br>3、 png的特点是无损压缩、体积小、方便传输、支持透明效果<br>4、 看上去这些格式的图片差别不大</p>
</blockquote>
<p><img src="https://gitee.com/tongstyle/blog-img/raw/master/img/202301201955875.png" srcset="/img/loading.gif" lazyload alt="6"></p>
<p><img src="https://gitee.com/tongstyle/blog-img/raw/master/img/202301201955835.png" srcset="/img/loading.gif" lazyload alt="7"></p>
<p>在保存png格式的窗口中，交错是指定这张图片在网页被查看时的加载方式。<br><code>为了在有限的网络速度下提升观看体验，使用带有交错格式的png图片</code>，能够花更少的时间先看到图片模糊的全貌，然后再慢慢转变为清晰</p>

                
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